🎵 Ecoacoustic Beamforming Analysis Report

ambi-test_1

Generated on 2025-07-30 09:26:23

📊 Analysis Parameters

Duration: 30s
Grid Mode: fibonacci
Max Exports: 5
Min Uniqueness: 0.3
Correlation Threshold: 0.7
Sample Rate: 44100 Hz

Total Directions

18

Selected Directions

5

Exported Files

5

Analysis Duration

30s

🔊 Selected Direction Audio Files

Listen to the exported beamformed audio for each selected direction:

Direction: UP-NORTH

Uniqueness Score: 0.6946

RMS Power: 0.0042

Components:
Activity: 1.000 | Frequency: 1.000 | Temporal: 0.000 | Acoustic: 0.401 | Spatial: 0.762

Direction: DOWN

Uniqueness Score: 0.6818

RMS Power: 0.0038

Components:
Activity: 0.822 | Frequency: 0.699 | Temporal: 0.036 | Acoustic: 0.826 | Spatial: 0.872

Direction: UP

Uniqueness Score: 0.6759

RMS Power: 0.0037

Components:
Activity: 0.793 | Frequency: 0.685 | Temporal: 0.124 | Acoustic: 0.729 | Spatial: 0.947

Direction: DOWN-SOUTH

Uniqueness Score: 0.6753

RMS Power: 0.0038

Components:
Activity: 0.849 | Frequency: 0.956 | Temporal: 0.045 | Acoustic: 0.337 | Spatial: 1.000

Direction: NORTHEAST

Uniqueness Score: 0.4372

RMS Power: 0.0067

Components:
Activity: 0.493 | Frequency: 0.281 | Temporal: 0.291 | Acoustic: 1.000 | Spatial: 0.000

❌ Rejected Direction Audio Files

These directions were not selected due to low uniqueness scores, high correlation with selected directions, or exceeding the maximum export limit:

Direction: NORTH REJECTED

Rejection Reason: Too correlated with up-north (r=0.854)

Uniqueness Score: 0.4487

RMS Power: 0.0051

Components:
Activity: 0.830 | Frequency: 0.487 | Temporal: 0.025 | Acoustic: 0.187 | Spatial: 0.523

Direction: EAST REJECTED

Rejection Reason: Low uniqueness score (0.208)

Uniqueness Score: 0.2083

RMS Power: 0.0073

Components:
Activity: 0.115 | Frequency: 0.102 | Temporal: 0.786 | Acoustic: 0.116 | Spatial: 0.088

Direction: SOUTHEAST REJECTED

Rejection Reason: Exceeded maximum exports limit

Uniqueness Score: 0.3557

RMS Power: 0.0058

Components:
Activity: 0.175 | Frequency: 0.319 | Temporal: 0.725 | Acoustic: 0.476 | Spatial: 0.189

Direction: SOUTH REJECTED

Rejection Reason: Too correlated with down-south (r=0.817)

Uniqueness Score: 0.4839

RMS Power: 0.0047

Components:
Activity: 0.615 | Frequency: 0.411 | Temporal: 0.370 | Acoustic: 0.316 | Spatial: 0.725

Direction: SOUTHWEST REJECTED

Rejection Reason: Low uniqueness score (0.188)

Uniqueness Score: 0.1882

RMS Power: 0.0064

Components:
Activity: 0.134 | Frequency: 0.223 | Temporal: 0.654 | Acoustic: 0.000 | Spatial: 0.006

Direction: WEST REJECTED

Rejection Reason: Low uniqueness score (0.232)

Uniqueness Score: 0.2321

RMS Power: 0.0074

Components:
Activity: 0.000 | Frequency: 0.000 | Temporal: 1.000 | Acoustic: 0.373 | Spatial: 0.050

Direction: NORTHWEST REJECTED

Rejection Reason: Exceeded maximum exports limit

Uniqueness Score: 0.3699

RMS Power: 0.0061

Components:
Activity: 0.288 | Frequency: 0.227 | Temporal: 0.688 | Acoustic: 0.574 | Spatial: 0.155

Direction: UP-EAST REJECTED

Rejection Reason: Too correlated with northeast (r=0.792)

Uniqueness Score: 0.3590

RMS Power: 0.0055

Components:
Activity: 0.374 | Frequency: 0.424 | Temporal: 0.502 | Acoustic: 0.247 | Spatial: 0.232

Direction: UP-SOUTH REJECTED

Rejection Reason: Too correlated with up (r=0.733)

Uniqueness Score: 0.4926

RMS Power: 0.0045

Components:
Activity: 0.520 | Frequency: 0.394 | Temporal: 0.453 | Acoustic: 0.422 | Spatial: 0.743

Direction: UP-WEST REJECTED

Rejection Reason: Low uniqueness score (0.245)

Uniqueness Score: 0.2453

RMS Power: 0.0061

Components:
Activity: 0.122 | Frequency: 0.057 | Temporal: 0.749 | Acoustic: 0.376 | Spatial: 0.087

Direction: DOWN-NORTH REJECTED

Rejection Reason: Too correlated with down (r=0.793)

Uniqueness Score: 0.5127

RMS Power: 0.0049

Components:
Activity: 0.806 | Frequency: 0.343 | Temporal: 0.059 | Acoustic: 0.600 | Spatial: 0.643

Direction: DOWN-EAST REJECTED

Rejection Reason: Low uniqueness score (0.291)

Uniqueness Score: 0.2910

RMS Power: 0.0061

Components:
Activity: 0.263 | Frequency: 0.153 | Temporal: 0.554 | Acoustic: 0.475 | Spatial: 0.060

Direction: DOWN-WEST REJECTED

Rejection Reason: Exceeded maximum exports limit

Uniqueness Score: 0.3175

RMS Power: 0.0056

Components:
Activity: 0.277 | Frequency: 0.274 | Temporal: 0.571 | Acoustic: 0.334 | Spatial: 0.181

📈 Analysis Results Overview

Selection Analysis Visualization

Selection Analysis

Exported Direction Spectrograms

Exported Spectrograms

📋 Detailed Metrics (Selected Directions)

Direction ACI ADI Hf Ht Total Score RMS Power
northeast 596.4601 1.3928 0.3677 0.9805 0.4372 0.0067
up 595.6276 1.7526 0.4245 0.9827 0.6759 0.0037
down 595.9255 1.7653 0.4302 0.9839 0.6818 0.0038
up-north 594.6210 2.0333 0.4639 0.9844 0.6946 0.0042
down-south 594.4244 1.9937 0.4352 0.9838 0.6753 0.0038

⚖️ Uniqueness Score Weights

Activity (Hf): 0.25
Frequency Diversity (ADI): 0.25
Temporal Complexity (1-Ht): 0.15
Acoustic Complexity (ACI): 0.20
Spatial Uniqueness: 0.15

📁 Generated Files

Generated by Ecoacoustic Beamforming Analysis Script

Input file: b-format-ambisonic/ambi-test_1.wav